Glad you found it useful. The great thing about Lambda, I think, is the cost, which is so cheap as to be effectively free for a lot of uses (according to https://aws.amazon.com/lambda/pricing/, the first million requests each month are free). So if you could design a web service to be deployable on lambda (via zappa or whatever framework), you can effectively host a website for close to no cost assuming you don't have a lot of traffic. On the other hand, you lose some of the control that comes with having your service run on a EC2 instance. For example, I like being able to SSH in to the server to troubleshoot things when they go wrong. But for a hobby project that I put together in a few hours, I might not care enough to pay for the EC2 instance.

Don't you need to use the API gateway on top of lambda? The pricing there seems like it doesn't go low enough for a lot of uses (1 million requests for $3.50 is fine, but if I only have 10,000 requests a month I am paying 100x what I need to). Or am I interpreting the pricing wrong and that 1 million requests could take 2 years to happen? Amazon pricing is way too confusing.

'The Amazon API Gateway free tier includes one million API calls received per month for up to 12 months. If you exceed this number of calls per month, you will be charged the API Gateway rates.'

Same as lambda. So together, first million requests are free. After a year, you'll pay ~$4 a month it looks like, for lambda (40 cents for the first million if you stay under 100 ms per and 128 megs RAM; 20 cents for the function, and 20 cents for the processing), API gateway ($3.50 for the first million calls), S3 storage (a gig is 3 cents), and traffic (I'm assuming small amounts of traffic, obviously). $4.50 if using Route 53, and $5.50 ($12 per year, paid up front, but I'm averaging it out) if you get your domain through AWS. That's not bad for site hosting + comments.

I do wish they'd enable the Amazon Certificate Manager to be used on the API Gateway though.

Correct me if I'm wrong, but do you really think $3.50 is too high for hosting a website?

If you can write your site in PHP, nearlyfreespeech.net will host it for a total of 3 cents a day including mySQL, or roughly 90 cents a month.

Lambda is more flexible, but not as cheap.

For hosting a few dozen API requests a month? Yes, massively too high. Compare to the rest of it, that $3.50 is more than everything else involved combined. For that price you can just run wordpress on a VPS.